document.querySelectorAll('.faq-question').forEach(function (btn) {
    btn.addEventListener('click', function () {
        var answer = btn.nextElementSibling;
        var isOpen = btn.getAttribute('aria-expanded') === 'true';
        if (isOpen) {
            btn.setAttribute('aria-expanded', 'false');
            answer.style.maxHeight = '0px';
        } else {
            btn.setAttribute('aria-expanded', 'true');
            answer.style.maxHeight = answer.firstElementChild.scrollHeight + 'px';
        }
    });
});